Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7487633 | Device for exhaust gas purification for spark-ignited engines | Janusz Popik, Ryszard Zbigniew Popik | 2009-02-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7487633 | Device for exhaust gas purification for spark-ignited engines | Janusz Popik, Ryszard Zbigniew Popik | 2009-02-10 |